OpenTechnical

OT-2026-000063715

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000063715) never changes.

Identity and time

Publication numberOT-2026-000063715 · never reused
Internal UUID01a0ae8c-f946-7fa1-a9bc-da23a1c5fbc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063715
StatusPUBLIC

Content hashes

Canonical texte786b4072959edd221a997b80902387f615ce1d2872096bf045d317c8b6afb63
Markdown5d82996eb520613b9e114294ce366e53d844a8d41dbb8aae90ce899cbdc95861
PDF
Publication page7ae71e46988bc10e82a87c58d9d28c31ed648d4a0370b423315d70fad3956469
Manifestfb76f1c80a5e3e5be95fcc05ccc12a4ab5e3e4b08f3d96966991354be41a98c2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4ishlQbz94pZOn/wLZOUaV9Sa6QGPfT/05TPGmfpFAZQ1/OUyJS3NHa3DwzI+ymgwogzNRBYK0LV82YZePxvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:50.449161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063715
observed 7ae71e46988bc10e82a87c58d9d28c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.431002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063715/manifest.json
observed fb76f1c80a5e3e5be95fcc05ccc12a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.411215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063715/publication.md
observed 5d82996eb520613b9e114294ce366e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.393140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063715/publication.txt
observed e786b4072959edd221a997b80902387f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.